AIR INLET AND EXHAUST SYSTEM
AFTERCOOLER GPLINES GP-AIR
MANIFOLD GP-EXHAUST
TURBOCHARGER GP
FUEL SYSTEM
PUMP GP-UNIT INJECTOR HYDAIR INLET AND EXHAUST SYSTEM
AFTERCOOLER GP#SEBC12730050
131-3272: AFTERCOOLER GP
Parts for your 651E WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 0S-1590 | [4] | BOLT (3/8-16X2IN) | |
| 2. | 1W-5381 | [1] | COVER-AFTERCOOLER | |
| 3. | 7C-3386 | [1] | CORE AS-AFTERCOOLER | |
| 4. | 2W-6687 | [2] | ADAPTER-AFTERCOOLER | |
| 5. | 8N-2299 | [2] | ADAPTER-AFTERCOOLER | |
| 6. | 109-0079 | [2] | SEAL-O-RING (78.74MM ID) | |
| 7. | 109-0073 | [4] | SEAL-O-RING (43.82MM ID) | |
| 8. | 4N-2564 | [1] | GASKET-AFTERCOOLER | |
| 9. | 0T-0573 | [14] | BOLT (3/8-16X2.75IN) | |
| 10. | 5M-2894 | [38] | WASHER (2.5MM THK) | |
| 11. | 7W-6492 | [2] | PLUG-PIPE (1/2-14'NPTF'THD) | |
| 12. | 8N-2705 | [1] | HOUSING-AFTERCOOLER | |
| 13. | 1B-7182 | [7] | BOLT (5/16-18X1.25IN) | |
| 14. | 9M-1974 | [8] | WASHER-HARD (2MM THK) | |
| 15. | 0S-1617 | [1] | BOLT (5/16-18X.75IN) | |
| 16. | 4N-8628 | [1] | GASKET | |
| 17. | 0S-1571 | [16] | BOLT (3/8-16X1.75IN) | |
| 18. | 1D-4706 | [2] | BOLT (3/8-16X6IN) | |
| 19. | 6L-3670 | [2] | BOLT |
#SEBC12730051
131-3269: LINES GP-AIR
Parts for your 651E WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7E-3205 | [1] | MANIFOLD-INLET | |
| 2. | 3E-7428 | [2] | PLUG-PIPE (1/4-18 NPTF THD) | |
| 3. | 8N-0879 | [4] | CLAMP | |
| 4. | 121-5459 | [1] | TUBE AS-EXHAUST | |
| 5. | 121-5461 | [1] | TUBE AS-EXHAUST | |
| 6. | 8N-0878 | [2] | CLAMP | |
| 7. | 1W-0481 | [2] | RING-EXHAUST SEAL | |
| 8. | 106-9408 | [2] | SEAL-EXHAUST | |
| 9. | 121-5455 | [1] | TUBE AS-EXHAUST | |
| 10. | 121-5457 | [1] | TUBE AS-EXHAUST | |
| 11. | 5M-2894 | [12] | WASHER (2.5MM THK) | |
| 12. | 8N-2258 | [1] | SHIELD AS-BOTTOM | |
| 6V-5044 | [7] | NUT-WELD (5/16-18 THD) | ||
| 9M-4136 | [5] | SPACER (12.7MM THK) | ||
| 13. | 1W-6186 | [1] | SHIELD AS | |
| 6V-5044 | [2] | NUT-WELD (5/16-18 THD) | ||
| 14. | 9M-1974 | [2] | WASHER-HARD (2MM THK) | |
| 15. | 5P-9959 | [2] | BOLT (5/16-18X.5IN) | |
| 16. | 8N-2574 | [1] | BRACKET | |
| 17. | 0S-1594 | [2] | BOLT (3/8-16X1 IN) | |
| 18. | 129-9417 | [1] | GASKET | |
| 19. | 1W-5380 | [1] | ADAPTER | |
| 20. | 7W-5919 | [1] | ELBOW-OUTLET | |
| 21. | 4L-8337 | [2] | SEAL-O-RING (81MM ID) | |
| 22. | 7W-1944 | [1] | RETAINER | |
| 23. | 0S-0509 | [2] | BOLT (3/8-16X.75IN) | |
| 24. | 5S-1188 | [2] | SEAL-O-RING (88.26 ID) | |
| 25. | 5P-2755 | [4] | BOLT-HIGH TEMPERATURE (3/8-16X69.85MM) | |
| 26. | 8T-6765 | [2] | PLUG-PIPE (1/4-18 NPTF THD) | |
| 27. | 3B-1915 | [5] | BOLT (3/8-16X1.375IN) | |
| 28. | 7W-3145 | [1] | PLATE | |
| 29. | 2W-9624 | [1] | SUPPORT-TURBOCHARGER | |
| 30. | 0S-1588 | [6] | BOLT (3/8-16X1.25IN) | |
| 31. | 7W-5648 | [1] | GASKET-ACCESSORY DRIVE | |
| 32. | 0S-1608 | [2] | BOLT (3/8-16X3.75IN) | |
| 33. | 0L-0765 | [1] | STUD (3/8-16X1.75IN OAL) | |
| 34. | 9S-8752 | [1] | NUT (3/8-16 THD) | |
| 35. | 112-5145 | [1] | BRACKET | |
| 36. | 0L-1352 | [3] | BOLT (3/8-16X3.25IN) | |
| 37. | 1W-6308 | [1] | PLATE | |
| 38. | 067-9846 | [3] | SPACER-PIPE | |
| 39. | 8S-7941 | [2] | PIPE |
#SEBC12730052
127-5134: MANIFOLD GP-EXHAUST
Parts for your 651E WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 112-7751 | [1] | MANIFOLD-EXHAUST (REAR-RH) | |
| 2. | 107-8106 | [2] | MANIFOLD-EXHAUST (END) | |
| 3. | 108-3612 | [24] | SPACER (53MM THK) | |
| 4. | 5M-2894 | [24] | WASHER (2.5MM THK) | |
| 5. | 2N-2766 | [24] | LOCKNUT (3/8-16 NPTF THD) | |
| 6. | 112-7750 | [1] | MANIFOLD-EXHAUST (REAR-LH) | |
| 7. | 107-8107 | [2] | MANIFOLD-EXHAUST (MIDDLE) | |
| 8. | 129-9452 | [12] | GASKET-EXHAUST MANIFOLD |
#SEBC12730053
127-6462: TURBOCHARGER GP
Parts for your 651E WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 127-6465 | [1] | HOUSING | |
| 2. | 0S-1614 | [4] | BOLT (1/4X.50 IN) | |
| 5P-0537 | [4] | WASHER (2MM THK) | ||
| 3. | 8N-9104 | [1] | PLATE (115MM BOTTOM EDGE) | |
| 4. | 135-4487 | [1] | CARTRIDGE GP-TURBOCHARGER | |
| 6. | 8N-9103 | [1] | PLATE (71MM BOTTOM EDGE) | |
| 7. | 1N-3279 | [1] | CLAMP AS (COMPRESSOR) | |
| 8. | 9N-2038 | [1] | CLAMP AS (TURBINE) | |
| 9. | 127-6467 | [1] | COVER-COMPRESSOR |
#SEBC12730054
127-9813: TURBOCHARGER GP
Parts for your 651E WHEEL TRACTOR:
CATERPILLAR SIS#SEBC12730055
125-3430: DRIVE GP-UNIT INJ HYD PUMP
125-3430 DRIVE GP-UNIT INJ HYD PUMP
S/N 80M450-2638
PART OF 125-3431 DRIVE GP-UNIT INJ HYD PUMP
S/N 80M450-2638
PART OF 125-3431 DRIVE GP-UNIT INJ HYD PUMP
Parts for your 651E WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 125-3688 | [1] | SHAFT AS | |
| 3S-6605 | [1] | PLUG-CUP | ||
| 2. | 150-2392 | [1] | PLATE-THRUST | |
| 3. | 106-3027 | [1] | GASKET | |
| 4. | 125-2730 | [1] | HOUSING AS | |
| 2H-1190 | [2] | DOWEL (16.0X6.2MM OD) | ||
| 124-9336 | [1] | BEARING-SLEEVE (94.76MM OD) | ||
| 124-9337 | [1] | BEARING-SLEEVE (94.76MM OD) | ||
| 5. | 125-3429 | [1] | HOUSING AS | |
| 2A-3746 | [1] | PLUG-CUP | ||
| 9M-7129 | [1] | BEARING-SLEEVE (28.69MM OD) | ||
| 124-9337 | [1] | BEARING-SLEEVE (94.76MM OD) | ||
| 125-1173 | [1] | HOUSING-PUMP DRIVE | ||
| 6. | 0S-1617 | [2] | BOLT (5/16-18X.75IN) | |
| 7. | 125-5835 | [1] | FILTER (UNIT INJECTOR HYDRAULIC PUMP) | |
| 8. | 1B-9575 | [4] | BOLT (5/16-18X1.75IN) | |
| 9. | 0S-1618 | [2] | BOLT (5/16-18X1.0IN) | |
| 10. | 9N-0869 | [2] | WASHER (2MM THK) | |
| 11. | 9S-8004 | [1] | PLUG-O-RING (9/16-18 THD) | |
| 12. | 6V-5049 | [1] | SEAL-O-RING (11.89MM ID) | |
| 13. | 1D-4541 | [2] | BOLT (5/16-18X3IN) | |
| 14. | 8M-6802 | [3] | SCREW-HEX SOCKET | |
| 15. | 124-6641 | [1] | GEAR (18 TEETH) | |
| 16. | 124-6640 | [1] | PLATE |
#SEBC12730056
125-3431: DRIVE GP-UNIT INJ HYD PUMP
125-3431 DRIVE GP-UNIT INJ HYD PUMP
S/N 80M450-UP
PART OF 8Q-1749 ENGINE AR-CUSTOM
S/N 80M450-UP
PART OF 8Q-1749 ENGINE AR-CUSTOM
Parts for your 651E WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 125-3430 Y | [1] | DRIVE GP-UNIT INJ HYD PUMP | |
| 2. | 6V-3549 | [1] | SEAL-O-RING (145.64MM ID) | |
| 3. | 5P-0076 | [4] | BOLT-12 POINT HEAD (3/8-16X1.50IN) | |
| 4. | 103-6093 Y | [1] | SENSOR GP-PRESSURE (ATMOSPHERIC) | |
| 5. | 9X-0261 | [1] | ADAPTER (19.05MM HEX) | |
| 6. | 6V-5048 | [1] | SEAL-O-RING (8.92MM ID) | |
| 7. | 6V-5049 | [1] | SEAL-O-RING (11.89MM ID) | |
| 8. | 118-6335 | [1] | PIN | |
| 9. | 6V-4589 | [1] | SEAL-O-RING (19.18MM ID) | |
| 10. | 5P-9890 | [2] | SEAL-O-RING (23.16MM ID) | |
| Y | SEPARATE ILLUSTRATION | |||
#SEBC12730057
125-3431: DRIVE GP-UNIT INJ HYD PUMP
125-3431 DRIVE GP-UNIT INJ HYD PUMP
S/N 80M2639-2705
PART OF 8Q-1749 ENGINE AR-CUSTOM
S/N 80M2639-2705
PART OF 8Q-1749 ENGINE AR-CUSTOM
Parts for your 651E WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 162-0149 Y | [1] | DRIVE GP-UNIT INJ HYD PUMP | |
| 2. | 6V-3549 | [1] | SEAL-O-RING (145.64MM ID) | |
| 3. | 5P-0076 | [4] | BOLT-12 POINT HEAD (3/8-16X1.50IN) | |
| 4. | 103-6093 Y | [1] | SENSOR GP-PRESSURE (ATMOSPHERIC) | |
| 5. | 9X-0261 | [1] | ADAPTER (19.05MM HEX) | |
| 6. | 6V-5048 | [1] | SEAL-O-RING (8.92MM ID) | |
| 7. | 6V-5049 | [1] | SEAL-O-RING (11.89MM ID) | |
| 8. | 118-6335 | [1] | PIN | |
| 9. | 6V-4589 | [1] | SEAL-O-RING (19.18MM ID) | |
| 10. | 5P-9890 | [2] | SEAL-O-RING (23.16MM ID) | |
| Y | SEPARATE ILLUSTRATION | |||
#SEBC12730058
125-3431: DRIVE GP-UNIT INJ HYD PUMP
125-3431 DRIVE GP-UNIT INJ HYD PUMP
S/N 80M2706-3037
PART OF 8Q-1749 ENGINE AR-CUSTOM
S/N 80M2706-3037
PART OF 8Q-1749 ENGINE AR-CUSTOM
Parts for your 651E WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 162-0149 Y | [1] | DRIVE GP-UNIT INJ HYD PUMP | |
| 2. | 6V-3549 | [1] | SEAL-O-RING (145.64MM ID) | |
| 3. | 5P-0076 | [4] | BOLT-12 POINT HEAD (3/8-16X1.50IN) | |
| 4. | 161-9926 CY | [1] | SENSOR GP-PRESSURE (ATMOSPHERIC) | |
| 5. | 5M-2894 | [4] | WASHER (2.5MM THK) | |
| 7. | 6V-5049 | [1] | SEAL-O-RING (11.89MM ID) | |
| 8. | 118-6335 | [1] | PIN | |
| 9. | 6V-4589 | [1] | SEAL-O-RING (19.18MM ID) | |
| 10. | 5P-9890 | [2] | SEAL-O-RING (23.16MM ID) | |
| 11. | 9X-0261 | [1] | ADAPTER (19.05MM HEX) | |
| 12. | 6V-5048 | [1] | SEAL-O-RING (8.92MM ID) | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBC12730059
162-0149: DRIVE GP-UNIT INJ HYD PUMP
162-0149 DRIVE GP-UNIT INJ HYD PUMP
S/N 80M2639-UP
PART OF 125-3431 DRIVE GP-UNIT INJ HYD PUMP
S/N 80M2639-UP
PART OF 125-3431 DRIVE GP-UNIT INJ HYD PUMP
Parts for your 651E WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 162-0153 | [1] | SHAFT AS | |
| 3S-6605 | [1] | PLUG-CUP | ||
| 2. | 150-2392 | [1] | PLATE-THRUST | |
| 3. | 106-3027 | [1] | GASKET | |
| 4. | 162-0158 | [1] | HOUSING AS | |
| 2H-1190 | [2] | DOWEL (16.0X6.2MM OD) | ||
| 162-0151 | [1] | BEARING-SLEEVE | ||
| 162-0152 | [1] | BEARING-SLEEVE | ||
| 5. | 162-0160 | [1] | HOUSING AS | |
| 2A-3746 | [1] | PLUG-CUP | ||
| 162-0150 | [1] | BEARING-SLEEVE | ||
| 162-0151 | [1] | BEARING-SLEEVE | ||
| [1] | HOUSING-PUMP DRIVE | |||
| 6. | 0S-1617 | [2] | BOLT (5/16-18X.75IN) | |
| 7. | 125-5835 | [1] | FILTER | |
| 8. | 1B-9575 | [4] | BOLT (5/16-18X1.75IN) | |
| 9. | 0S-1618 | [2] | BOLT (5/16-18X1.0IN) | |
| 10. | 9N-0869 | [2] | WASHER-HARD (2MM THK) | |
| 11. | 9S-8004 | [1] | PLUG-O-RING (9/16-18 THD) | |
| 12. | 6V-5049 | [1] | SEAL-O-RING (11.89MM ID) | |
| 13. | 1D-4541 | [2] | BOLT (5/16-18X3IN) | |
| 14. | 8M-6802 | [3] | SCREW-HEX SOCKET | |
| 15. | 162-0155 | [1] | GEAR-PUMP DRIVE (18 TEETH) | |
| 16. | 124-6640 | [1] | PLATE | |
Information:
AIR INLET AND EXHAUST SYSTEM
AFTERCOOLER GP
Specifications
Disassembly and Assembly



